Expose build_with_vss_* methods in bindings.

bindings/ldk_node.udl

@@ -50,6 +50,12 @@ interface Builder {
 	Node build();
 	[Throws=BuildError]
 	Node build_with_fs_store();
+	[Throws=BuildError]
+	Node build_with_vss_store(string vss_url, string store_id, string lnurl_auth_server_url, record<string, string> fixed_headers);
+	[Throws=BuildError]
+	Node build_with_vss_store_and_fixed_headers(string vss_url, string store_id, record<string, string> fixed_headers);
+	[Throws=BuildError]
+	Node build_with_vss_store_and_header_provider(string vss_url, string store_id, VssHeaderProvider header_provider);
 };
 
 interface Node {
@@ -251,6 +257,20 @@ enum BuildError {
 	"LoggerSetupFailed",
 };
 
+[Trait]
+interface VssHeaderProvider {
+    [Async, Throws=VssHeaderProviderError]
+    record<string, string> get_headers([ByRef]sequence<u8> request);
+};
+
+[Error]
+enum VssHeaderProviderError {
+    "InvalidData",
+    "RequestError",
+    "AuthorizationError",
+    "InternalError",
+};
+
 [Enum]
 interface Event {
 	PaymentSuccessful(PaymentId? payment_id, PaymentHash payment_hash, u64? fee_paid_msat);

src/lib.rs

@@ -112,6 +112,8 @@ pub use io::utils::generate_entropy_mnemonic;
 
 #[cfg(feature = "uniffi")]
 use uniffi_types::*;
+#[cfg(feature = "uniffi")]
+use vss_client::headers::{VssHeaderProvider, VssHeaderProviderError};
 
 #[cfg(feature = "uniffi")]
 pub use builder::ArcedNodeBuilder as Builder;